Fix pytest9 and numpy2 deprecations

CHANGELOG.md

@@ -4,6 +4,10 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 
 ## Unreleased
 
+### Fixed
+- Fix pytest 9 compatibility: use `collection_path` instead of deprecated `path` argument in `pytest_ignore_collect` hook
+- Fix NumPy 2.0 compatibility: use `method` instead of deprecated `interpolation` in `np.percentile` and `np.isin` instead of `np.in1d`
+
 ## [6.5.2] - 2026-01-14
 
 ### Fixed

plotly/conftest.py

@@ -1,7 +1,8 @@
 import os
+from pathlib import Path
 
 
-def pytest_ignore_collect(path):
+def pytest_ignore_collect(collection_path: Path):
     # Ignored files, most of them are raising a chart studio error
     ignored_paths = [
         "exploding_module.py",
@@ -16,9 +17,10 @@ def pytest_ignore_collect(path):
         "presentation_objs.py",
         "session.py",
     ]
+    path_str = str(collection_path)
     if (
-        os.path.basename(str(path)) in ignored_paths
-        or "plotly/plotly/plotly/__init__.py" in str(path)
-        or "plotly/api/utils.py" in str(path)
+        collection_path.name in ignored_paths
+        or "plotly/plotly/plotly/__init__.py" in path_str
+        or "plotly/api/utils.py" in path_str
     ):
         return True

plotly/figure_factory/_violin.py

@@ -17,9 +17,9 @@ def calc_stats(data):
     x = np.asarray(data, float)
     vals_min = np.min(x)
     vals_max = np.max(x)
-    q2 = np.percentile(x, 50, interpolation="linear")
-    q1 = np.percentile(x, 25, interpolation="lower")
-    q3 = np.percentile(x, 75, interpolation="higher")
+    q2 = np.percentile(x, 50, method="linear")
+    q1 = np.percentile(x, 25, method="lower")
+    q3 = np.percentile(x, 75, method="higher")
     iqr = q3 - q1
     whisker_dist = 1.5 * iqr
 

tests/test_optional/test_px/test_px.py

@@ -36,7 +36,7 @@ def test_custom_data_scatter(backend):
     )
     for data in fig.data:
         assert np.all(
-            np.in1d(data.customdata[:, 1], iris.get_column("petal_width").to_numpy())
+            np.isin(data.customdata[:, 1], iris.get_column("petal_width").to_numpy())
         )
     # Hover and custom data, no repeated arguments
     fig = px.scatter(

tests/test_optional/test_px/test_px_functions.py

@@ -307,7 +307,7 @@ def test_sunburst_treemap_with_path_color(constructor):
     fig = px.sunburst(
         df.to_native(), path=path, color="sectors", color_discrete_map=cmap
     )
-    assert np.all(np.in1d(fig.data[0].marker.colors, list(cmap.values())))
+    assert np.all(np.isin(fig.data[0].marker.colors, list(cmap.values())))
 
     # Numerical column in path
     df = (